Distribution
Ad Metrics (CTR / CPC / CPM / CPA) Calculator
Turns raw campaign numbers into the four rates every ad platform reports — CTR, CPC, CPM, and CPA — so you can compare campaigns on the same footing.
Inputs
- Impressions — Times the ad was shown.
- Clicks — Times someone clicked the ad.
- Spend — Total spent on the campaign.
- Conversions — Sales or sign-ups the ad produced.
How to use this calculator
- Enter impressions, clicks, spend, and conversions from a campaign.
- The tool computes CTR, CPC, CPM, and CPA so campaigns compare on the same terms.
- Watch CPA against your margin per sale. That is the number that decides whether the ads are profitable.
What each term means
- CTR
- Click-through rate: clicks divided by impressions.
- CPC / CPM
- Cost per click and cost per thousand impressions.
- CPA
- Cost per acquisition: spend divided by conversions.
Educational disclaimer: Outputs are simplified educational estimates built from the numbers you enter — they are not financial, legal, tax, or investment advice, and real decisions deserve verified figures and qualified professionals.